Hiddentag COP vs LullabySounds 2
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hiddentag COP
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HiddenTag C.O.P. helps you with verifying product authenticity. 1. Check the HiddenTag label on the product! 2. Scan the HiddenTag label through HiddenTag App. 3. Check the authenticity on the landing page and buy the product safely! If a warning message appears on the page, report through the app or email. # And check out other information about brands, rankings and more. Contact Us: (82) 070-8257-1414 E-mail: hiddentag@cknb.co.kr
LullabySounds 2
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Welcome to Calm Sleep Sounds & Tracker: Your Ultimate Sleep, Sound, and Meditation Companion Transform Your Sleep with Our Sounds and Tracker Discover the sleep like never before with Calm Sleep, we are partner in improving sleep and promote relaxation. Our sounds elevates your nights by merging soothing sounds, meditation, and cutting-edge technology into a seamless sleep experience. Explore restful
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Verdict
The clearest difference is ads: LullabySounds 2 at none against Hiddentag COP's shown. LullabySounds 2 also leads on update cadence (daily vs weekly). On price, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Hiddentag COP ships an update weekly, LullabySounds 2 daily. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.
| Parameter | Hiddentag COP | LullabySounds 2 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (40 ratings) — better | — |
| Positive reviews | 79.2% of reviews | — |
| Number of ratings | 40 — better | — |
| Update frequency | Weekly | Daily — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.4 | 12.0 — better |
| Further details — not scored | ||
| Size | 68 MB | 35 MB |
| Age rating | 12+ | 4+ |
| Developer | CK&B | MOBI MEDIA CO.,LTD |
In-app purchases
Hiddentag COP
No in-app purchases
LullabySounds 2
No in-app purchases
Questions
Is Hiddentag COP free?
Is LullabySounds 2 free?
Do Hiddentag COP or LullabySounds 2 have ads?
Which is updated more often, Hiddentag COP or LullabySounds 2?
Other comparisons
